{"id":1024,"date":"2020-04-06T13:57:17","date_gmt":"2020-04-06T05:57:17","guid":{"rendered":"http:\/\/blog.ywdevops.cn\/?p=1024"},"modified":"2025-07-01T11:03:46","modified_gmt":"2025-07-01T03:03:46","slug":"sed","status":"publish","type":"post","link":"https:\/\/blog.ywdevops.cn\/index.php\/2020\/04\/06\/sed\/","title":{"rendered":"linux\u4e09\u5251\u5ba2\u4e4bsed\u547d\u4ee4"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">sed\u662f\u4e00\u4e2a\u975e\u4ea4\u4e92\u5f0f\u7684\u6587\u4ef6\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u5bf9\u6587\u672c\u6587\u4ef6\u548c\u6807\u51c6\u8f93\u5165\u8fdb\u884c\u7f16\u8f91\uff0c\u6807\u51c6\u8f93\u5165\u53ef\u4ee5\u6765\u81ea\u952e\u76d8\u8f93\u5165\u3001\u5b57\u7b26\u4e32\u3001\u6587\u4ef6\u91cd\u5b9a\u5411\u3001\u7ba1\u9053\u3001\u53d8\u91cf\u7b49\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">sed\u547d\u4ee4\u9009\u9879\u53ca\u5176\u542b\u4e49<\/mark><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u9009\u9879<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u542b\u4e49<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">-n<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4e0d\u6253\u5370\u6240\u6709\u884c\u5230\u6807\u51c6\u8f93\u51fa<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">-e<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u4e32\u89e3\u6790\u4e3ased\u7f16\u8f91\u547d\u4ee4\uff0c\u5982\u679c\u53ea\u4f20\u9012\u4e00\u4e2a\u7f16\u8f91\u547d\u4ee4\u7ed9sed\uff0c-e\u53ef\u4ee5\u7701\u7565<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">-f<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8868\u793a\u6b63\u5728\u8c03\u7528\u811a\u672c\u6587\u4ef6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">sed\u547d\u4ee4\u901a\u5e38\u7531\u5b9a\u4f4d\u6587\u672c\u884c\u4ee5\u53ca\u7f16\u8f91\u547d\u4ee4\u7ec4\u6210\uff0c\u7f16\u8f91\u547d\u4ee4\u5bf9\u5b9a\u4f4d\u6587\u672c\u884c\u8fdb\u884c\u5404\u79cd\u5904\u7406<\/p>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size wp-block-paragraph\"><strong>sed\u547d\u4ee4\u5b9a\u4f4d\u6587\u672c\u7684\u65b9\u6cd5<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u9009\u9879<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u542b\u4e49<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u6307\u5b9a\u884c\u53f7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">x,y<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u6307\u5b9a\u4ecex\u5230y\u7684\u884c\u53f7\u8303\u56f4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\/a\/<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u67e5\u8be2\u5305\u542ba\u7684\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\/a\/b\/<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u67e5\u8be2\u5305\u542ba\u3001b\u7684\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\/a\/,b<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4ece\u4e0ea\u5339\u914d\u7684\u884c\u5230b\u884c\u53f7\u4e4b\u95f4\u7684\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">a,\/b\/<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4ecea\u884c\u53f7\u5230\u5339\u914d\u5230b\u884c\u4e4b\u95f4\u7684\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">a,b!<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u67e5\u8be2\u4e0d\u5305\u542ba\u884c\u53f7\u548cb\u884c\u53f7\u884c\u4e4b\u5916\u7684\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">^$<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5339\u914d\u7a7a\u884c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><strong>sed\u7f16\u8f91\u547d\u4ee4\u9009\u9879\u53ca\u5176\u542b\u4e49<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u9009\u9879<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u542b\u4e49<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">p<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u6253\u5370\u5339\u914d\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">=<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u6253\u5370\u6587\u4ef6\u884c\u53f7<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">a\\<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5728\u5b9a\u4f4d\u884c\u53f7\u4e4b\u540e\u8ffd\u52a0\u6587\u672c\u4fe1\u606f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">i\\<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5728\u5b9a\u4f4d\u884c\u53f7\u4e4b\u524d\u63d2\u5165\u6587\u672c\u4fe1\u606f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">d<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5220\u9664\u5b9a\u4f4d\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">c\\<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7528\u65b0\u6587\u672c\u66ff\u6362\u5b9a\u4f4d\u6587\u672c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">s<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4f7f\u7528\u66ff\u6362\u6a21\u5f0f\u66ff\u6362\u76f8\u5e94\u6a21\u5f0f<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">r<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4ece\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6587\u672c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">w<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5c06\u6587\u672c\u5199\u5165\u5230\u4e00\u4e2a\u6587\u4ef6<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">y<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u53d8\u6362\u5b57\u7b26<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">q<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u7b2c\u4e00\u4e2a\u6a21\u5f0f\u5339\u914d\u5b8c\u6210\u540e\u9000\u51fa<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">{}<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5728\u5b9a\u4f4d\u884c\u6267\u884c\u547d\u4ee4\u7ec4<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">n<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8bfb\u53d6\u4e0b\u4e00\u4e2a\u8f93\u5165\u884c\uff0c\u7528\u4e0b\u4e00\u4e2a\u547d\u4ee4\u5904\u7406\u65b0\u7684\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">h<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u5c06\u6a21\u5f0f\u7f13\u51b2\u533a\u7684\u6587\u672c\u590d\u5236\u5230\u4fdd\u6301\u7f13\u51b2\u533a<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">H<\/td><td class=\"has-text-align-center\" data-align=\"center\"> \u5c06\u6a21\u5f0f\u7f13\u51b2\u533a\u7684\u6587\u672c\u8ffd\u52a0\u5230\u4fdd\u6301\u7f13\u51b2\u533a <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">x<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4e92\u6362\u6a21\u5f0f\u7f13\u51b2\u533a\u548c\u4fdd\u6301\u7f13\u51b2\u533a\u5185\u5bb9<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">g<\/td><td class=\"has-text-align-center\" data-align=\"center\"> \u5c06\u4fdd\u6301\u7f13\u51b2\u533a\u7684\u6587\u672c\u590d\u5236\u5230\u6a21\u5f0f\u7f13\u51b2\u533a <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">G<\/td><td class=\"has-text-align-center\" data-align=\"center\"> \u5c06\u4fdd\u6301\u7f13\u51b2\u533a\u7684\u6587\u672c\u8ffd\u52a0\u5230\u6a21\u5f0f\u7f13\u51b2\u533a <\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">l<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u663e\u793a\u4e0e\u516b\u8fdb\u5236ASCII\u7801\u7b49\u4ef7\u7684\u63a7\u5236\u5b57\u7b26<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>\u4e3e\u4f8b\u5982\u4e0b\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u6709\u4e00\u4e2a\u6587\u4ef6\uff0c\u6587\u4ef6\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"314\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/31.png\" alt=\"\" class=\"wp-image-1027\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/31.png 602w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/31-300x156.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/31-600x313.png 600w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">1.<strong>sed\u547d\u4ee4\u7684-n\u9009\u9879<\/strong>\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-p\u547d\u4ee4\u8868\u793a\u6253\u5370\u5339\u914d\u884c\uff0c\u5982\u679c\u8981\u6253\u5370\u6587\u4ef6\u7684\u7b2c\u4e00\u884c\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"142\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/32.png\" alt=\"\" class=\"wp-image-1028\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/32.png 600w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/32-300x71.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e0d\u52a0-n\u9009\u9879\u53ef\u4ee5\u770b\u5230\u5730\u4e00\u884c\u6253\u5370\u51fa\u6765\u540e\uff0c\u63a5\u4e0b\u6765\u7684\u884c\u90fd\u88ab\u6253\u5370\u51fa\u6765\uff0c\u56e0\u6b64\u53ef\u4ee5\u7406\u89e3\u4e3a-n\u9009\u9879\u662f\u4e0d\u6253\u5370\u6587\u4ef6\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u4f46\u662f\u53ef\u4ee5\u9009\u62e9\u6027\u7684\u8fdb\u884c\u6253\u5370\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"346\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/33.png\" alt=\"\" class=\"wp-image-1029\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/33.png 600w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/33-300x173.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8981\u6253\u5370\u6587\u4ef6\u76843\u52306\u884c\uff0c\u53ef\u4ee5\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"599\" height=\"201\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/3.png\" alt=\"\" class=\"wp-image-1030\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/3.png 599w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/3-300x101.png 300w\" sizes=\"auto, (max-width: 599px) 100vw, 599px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8981\u6253\u5370\u5339\u914dCenters\u7684\u884c\uff0c\u6ce8\u610f\uff0c\u5339\u914d\u662f\u533a\u5206\u5927\u5c0f\u5199\u7684\uff0c\u5982\u679c\u8f93\u5165centers\u662f\u65e0\u6cd5\u6253\u5370\u51fa\u6765\u7684\uff0c\u53ef\u4ee5\u6267\u884c\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"598\" height=\"180\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/4-1.png\" alt=\"\" class=\"wp-image-1031\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/4-1.png 598w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/4-1-300x90.png 300w\" sizes=\"auto, (max-width: 598px) 100vw, 598px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2. <strong>sed\u547d\u4ee4\u7684-e\u9009\u9879\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-e\u8868\u793a\u5c06\u4e0b\u4e00\u4e2a\u5b57\u7b26\u4e32\u89e3\u6790\u4e3ased\u7f16\u8f91\u547d\u4ee4\uff0c\u5982\u679c\u53ea\u4f20\u9012\u4e00\u4e2a\u7f16\u8f91\u547d\u4ee4\uff0c\u90a3\u4e48-e\u9009\u9879\u53ef\u4ee5\u7701\u7565\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5f53\u4f20\u9012\u591a\u4e2a\u547d\u4ee4\u65f6\uff0c-e\u624d\u6709\u7528<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8981\u540c\u65f6\u6253\u5370\u5305\u542bCenters\u548ceveryone\u7684\u884c\uff0c\u4f20\u9012\u4e86\u4e24\u4e2a\u547d\u4ee4\uff0c\u6b64\u65f6\u4f7f\u7528-e\u9009\u9879\uff0c\u547d\u4ee4\u5982\u4e0b:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"701\" height=\"190\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-1.png\" alt=\"\" class=\"wp-image-1032\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-1.png 701w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-1-300x81.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-1-600x163.png 600w\" sizes=\"auto, (max-width: 701px) 100vw, 701px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8981\u6253\u5370Centers\u6240\u5728\u7684\u884c\u53f7\uff0c\u53ef\u4ee5\u901a\u8fc7=\u6765\u6253\u5370\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"699\" height=\"200\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-1.png\" alt=\"\" class=\"wp-image-1033\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-1.png 699w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-1-300x86.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-1-600x172.png 600w\" sizes=\"auto, (max-width: 699px) 100vw, 699px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7406\u89e3\u4e3a-e\u9009\u9879\u53ef\u4ee5\u7528\u6765\u540c\u65f6\u5339\u914d\u591a\u4e2a\u6a21\u5f0f\uff0c\u9664\u4e86-e\u5916\uff0c\u8fd8\u6709\u901a\u8fc7\u7ba1\u9053\u7b26\u5339\u914d\u591a\u4e2a\u6a21\u5f0f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. <strong>sed\u547d\u4ee4\u7684-f \u9009\u9879\uff1a<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">-f\u9009\u9879\u53ea\u6709\u5728\u8c03\u7528sed\u811a\u672c\u7684\u65f6\u5019\u624d\u8d77\u4f5c\u7528\uff0c\u901a\u5e38\u5c06sed\u547d\u4ee4\u5199\u5165\u4e00\u4e2a\u811a\u672c\u4e2d\u7136\u540e\u901a\u8fc7-f\u6765\u8c03\u7528<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u7f16\u5199sed\u811a\u672c\uff0c\u811a\u672c\u7684\u529f\u80fd\u662f\u5339\u914d\u6587\u4ef6a.txt\u4e2d\u7684Centers\u884c\u5e76\u5728\u5176\u540e\u9762\u63d2\u5165\u4e00\u53e5\u8bddwo shi hao ren\uff0c\u811a\u672c\u7684\u540d\u5b57\u662fappend.sed\uff0c\u811a\u672c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"204\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/39.png\" alt=\"\" class=\"wp-image-1035\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/39.png 596w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/39-300x103.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u4e0a\u56fe\u6240\u793a\uff0csed\u811a\u672c\u548cbash\u811a\u672c\u4e00\u6837\u4ee5sha-bang(#!)\u7b26\u53f7\u5f00\u5934\uff0c\u540e\u9762\u63a5\u89e3\u91ca\u5668\u7684\u8def\u5f84\uff0c\u5982\u679c\u4e0d\u77e5\u9053sed\u89e3\u91ca\u5668\u8def\u5f84\u53ef\u4ee5\u6267\u884cwhich sed \u67e5\u770b\uff0c-f \u8868\u793a\u8c03\u7528\u811a\u672c\uff0c\u5982\u679c\u6ca1\u6709 -f \u5c06\u4f1a\u62a5\u9519<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed9\u811a\u672c\u6267\u884c\u6743\u9650\u5e76\u6267\u884c\uff0c\u6267\u884c\u65f6\u540e\u9762\u9700\u8981\u52a0\u8f93\u5165\u6587\u4ef6\uff0c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"237\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/40.png\" alt=\"\" class=\"wp-image-1036\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/40.png 594w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/40-300x120.png 300w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u811a\u672c\u4e2d\u4e0d\u52a0\u5165-f \u53c2\u6570\u90a3\u4e48\u6267\u884c\u65f6\u5019\uff0c\u9700\u8981\u901a\u8fc7sed -f \u5f62\u5f0f\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"242\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/41.png\" alt=\"\" class=\"wp-image-1037\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/41.png 594w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/41-300x122.png 300w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8ffd\u52a0\u7684\u6587\u672c\u6709\u591a\u884c\uff0c\u90a3\u4e48\u9700\u8981\u4f7f\u7528\u53cd\u659c\u6760\u7b26\u53f7&#8221;\\&#8221;\u8fdb\u884c\u6362\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"184\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/2.png\" alt=\"\" class=\"wp-image-1039\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/2.png 594w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/2-300x93.png 300w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">sed\u5b9a\u4f4d\u6587\u672c\u4e3e\u4f8b<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.&#8221;\u5339\u914d\u5143\u5b57\u7b26&#8221;\uff1a\u5982\u679c\u5339\u914d\u7684\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u5305\u542b\u5143\u5b57\u7b26\uff0c\u9700\u8981\u7528\u8f6c\u4e49\u7b26\u53f7&#8221;\\&#8221;\u5c4f\u853d\u5176\u7279\u6b8a\u542b\u4e49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5339\u914da.txt\u6587\u4ef6\u4e2d\u5305\u542b.\u7684\u884c\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"173\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/3-1.png\" alt=\"\" class=\"wp-image-1041\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/3-1.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/3-1-300x87.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">2.&#8221;\u4f7f\u7528\u5143\u5b57\u7b26\u8fdb\u884c\u5339\u914d&#8221; \uff1ased\u547d\u4ee4\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u5143\u5b57\u7b26\u8fdb\u884c\u5339\u914d\uff0c$\u5728\u6b63\u5219\u8868\u8fbe\u5f0f\u4e2d\u8868\u793a\u884c\u5c3e\uff0c\u4f46\u662f\u5728sed\u4e2d\u8868\u793a\u6700\u540e\u4e00\u884c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u6253\u5370\u6587\u4ef6a.txt\u7684\u6700\u540e\uff0c\u53ef\u4ee5\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"172\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/4-2.png\" alt=\"\" class=\"wp-image-1042\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/4-2.png 590w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/4-2-300x87.png 300w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u5c06\u7f16\u8f91\u547d\u4ee4p\u653e\u5728\u5355\u5f15\u53f7\u5916\u9762\uff0c\u4e24\u79cd\u547d\u4ee4\u7b49\u4ef7\uff0c\u4e00\u822c\u653e\u5728\u5185\u90e8\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"185\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-2.png\" alt=\"\" class=\"wp-image-1043\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-2.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/5-2-300x93.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"has-pale-cyan-blue-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1a\u5982\u679c\u8f93\u5165sed -n &#8220;$p&#8221; a.txt \u6b64\u65f6\u662f\u65e0\u6cd5\u751f\u6548\u7684\uff0c\u56e0\u6b64\u6b64\u65f6\u53cc\u5f15\u53f7\u4e2d\u7684$p\u8868\u793a\u5f15\u7528\u4e00\u4e2a\u53d8\u91cf\uff0c\u4fdd\u7559\u53d8\u91cf\u7684\u5185\u5bb9\uff0c\u5982\u679c\u5199\u6210sed -n &#8220;$&#8221;p a.txt \u6b64\u65f6\u53ef\u4ee5\u751f\u6548\uff0c\u6b64\u65f6\u7684$\u8868\u793a\u4e00\u822c\u5b57\u7b26\uff0c\u5982\u679c\u5982\u4e0a\u56fe\u76f4\u63a5\u5199\u6210sed -n &#8216;$p&#8217; a.txt\uff0c\u5728\u5355\u5f15\u53f7$p\u5c06\u88ab\u8f6c\u4e49\u6210\u4e00\u822c\u5b57\u7b26$, \u53ef\u4ee5\u8fbe\u5230\u6548\u679c\uff0c\u56e0\u6b64sed -n &#8220;\\$p&#8221; a.txt=sed -n &#8216;$p&#8217; a.txt\uff0c\u6ce8\u610f\u5355\u5f15\u53f7\u548c\u53cc\u5f15\u53f7\u7684\u533a\u522b<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. &#8220;\u53d6\u53cd\u7b26\u53f7\uff01&#8221; \uff1ax,y!\u8868\u793a\u5339\u914d\u4e0d\u5728\u884c\u53f7x\u5230\u884c\u53f7y\u4e4b\u95f4\u7684\u6240\u6709\u884c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u6253\u5370\u4e0d\u57282~5\u884c\u4e4b\u95f4\u7684\u884c\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"590\" height=\"259\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-2.png\" alt=\"\" class=\"wp-image-1046\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-2.png 590w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/6-2-300x132.png 300w\" sizes=\"auto, (max-width: 590px) 100vw, 590px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4. &#8220;\u4f7f\u7528\u884c\u53f7\u4e0e\u5173\u952e\u5b57\u9650\u5b9a\u884c\u8303\u56f4&#8221; \uff1a\u4e0e\u53d6\u53cd\u7c7b\u4f3c\uff0c\u53ea\u662f\u5c06x,y\u901a\u8fc7\u6a21\u5f0f\u66ff\u6362<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5339\u914da.txt\u6587\u4ef6Centers\u7684\u884c\u5230\u6700\u540e\u4e00\u884c\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"595\" height=\"242\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/7.png\" alt=\"\" class=\"wp-image-1047\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/7.png 595w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/7-300x122.png 300w\" sizes=\"auto, (max-width: 595px) 100vw, 595px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5370\u6587\u4ef6\u7b2c\u4e8c\u884c\u5230\u5339\u914dCenters\u7684\u884c\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"211\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/8-1.png\" alt=\"\" class=\"wp-image-1048\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/8-1.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/8-1-300x106.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">sed\u7f16\u8f91\u547d\u4ee4\u4e3e\u4f8b<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1.&#8221;\u8ffd\u52a0\u6587\u672c&#8221; : \u4f7f\u7528a\\\uff0c\u5728\u5339\u914d\u884c\u7684\u540e\u9762\u8ffd\u52a0\u4e00\u7ec4\u5185\u5bb9<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5728\u5339\u914dCenters\u884c\u7684\u540e\u9762\u8ffd\u52a0\u4e00\u7ec4\u6587\u672c\u5185\u5bb9 I love  china\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"250\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/10-1.png\" alt=\"\" class=\"wp-image-1052\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/10-1.png 602w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/10-1-300x125.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/10-1-600x249.png 600w\" sizes=\"auto, (max-width: 602px) 100vw, 602px\" \/><\/figure>\n\n\n\n<p class=\"has-pale-cyan-blue-background-color has-background wp-block-paragraph\">\u6ce8\u610f\uff1ased\u8ffd\u52a0\u6587\u672c\u53ea\u662f\u5c06\u7ed3\u679c\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u4e2d\uff0c\u539f\u6587\u4ef6\u5e76\u672a\u6539\u53d8<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.&#8221;\u63d2\u5165\u6587\u672c&#8221;\uff1a\u4f7f\u7528i\\\uff0c\u4e0e\u8ffd\u52a0\u6587\u672c\u7c7b\u4f3c\uff0c\u533a\u522b\u5728\u4e8e\u63d2\u5165\u6587\u672c\u662f\u5728\u5339\u914d\u7684\u884c\u524d\u9762\u63d2\u5165<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5728\u5339\u914dCenters\u884c\u7684\u524d\u9762\u63d2\u5165\u4e00\u7ec4\u6587\u672c\u5185\u5bb9tomorrow,\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"249\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/11-1.png\" alt=\"\" class=\"wp-image-1053\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/11-1.png 596w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/11-1-300x125.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3.&#8221;\u4fee\u6539\u6587\u672c&#8221;\uff1a\u4f7f\u7528c\\\uff0c\u5c06\u6240\u5339\u914d\u7684\u884c\u7528\u65b0\u6587\u672c\u66ff\u6362\uff0c\u6ce8\u610f\u662f\u884c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5339\u914dCenters\u6240\u5728\u7684\u884c\uff0c\u5e76\u4f7f\u7528shenzhen\u66ff\u6362\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"228\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/12-1.png\" alt=\"\" class=\"wp-image-1056\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/12-1.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/12-1-300x115.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">4.&#8221;\u5220\u9664\u6587\u672c&#8221; \uff1a\u53ef\u4ee5\u5c06\u6307\u5b9a\u7684\u884c\u6216\u8005\u6307\u5b9a\u7684\u884c\u8303\u56f4\u5220\u9664\uff0c\u4f7f\u7528d\u547d\u4ee4<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5220\u9664\u6587\u4ef6a.txt\u7684\u7b2c\u4e00\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"594\" height=\"227\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/13-1.png\" alt=\"\" class=\"wp-image-1057\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/13-1.png 594w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/13-1-300x115.png 300w\" sizes=\"auto, (max-width: 594px) 100vw, 594px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5220\u9664\u6587\u4ef6\u7684\u6700\u540e\u4e00\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"289\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/14-1.png\" alt=\"\" class=\"wp-image-1058\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/14-1.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/14-1-300x145.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5220\u9664\u6587\u4ef6a.txt\u7684\u7b2c1~6\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"593\" height=\"240\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/15-1.png\" alt=\"\" class=\"wp-image-1060\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/15-1.png 593w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/15-1-300x121.png 300w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5220\u9664\u6587\u4ef6\u4e2d\u7684\u7a7a\u884c\uff0c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sed -i '\/^$\/d' filename<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">5.&#8221;\u66ff\u6362\u6587\u672c&#8221; : \u5c06\u6240\u5339\u914d\u7684\u5b57\u7b26\u4e32\u7528\u65b0\u6587\u672c\u8fdb\u884c\u66ff\u6362\uff0c\u4e0e\u4fee\u6539\u6587\u672c\u4e0d\u540c\uff0c\u4fee\u6539\u6587\u672c\u662f\u5c06\u5339\u914d\u7684\u884c\u8fdb\u884c\u4fee\u6539\uff0c\u800c\u66ff\u6362\u6587\u672c\u53ea\u662f\u5355\u72ec\u66ff\u6362\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528<strong>s<\/strong>\u547d\u4ee4\uff0c\u5168\u90e8\u547d\u4ee4\u4e3ased   &#8216;s\/\u88ab\u66ff\u6362\u7684\u5b57\u7b26\u4e32\/\u65b0\u5b57\u7b26\u4e32\/&#8217;   \u8f93\u5165\u6587\u4ef6<\/p>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">sed\u66ff\u6362\u9009\u9879\u53ca\u5176\u542b\u4e49<\/mark><\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">\u9009\u9879<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u542b\u4e49<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">g<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8868\u793a\u66ff\u6362\u6587\u672c\u4e2d\u6240\u6709\u51fa\u73b0\u7684\u88ab\u66ff\u6362\u5b57\u7b26\u4e32<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">p<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u4e0e-n\u9009\u9879\u7ed3\u5408\uff0c\u53ea\u6253\u5370\u66ff\u6362\u884c<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">w \u6587\u4ef6\u540d<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u8868\u793a\u5c06\u8f93\u51fa\u5b9a\u5411\u5230\u4e00\u4e2a\u6587\u4ef6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u6587\u4ef6\u4e2d\u5168\u90e8\u4ee5#\u5f00\u5934\u7684\u884c\u66ff\u6362\u4e3a\u7a7a\u884c\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sed -i '\/^#\/c\\\\n' filename<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5c06\u6587\u672ca.txt\u4e2d\u7684to\u66ff\u6362\u6210abcd\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"317\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/16-1.png\" alt=\"\" class=\"wp-image-1064\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/16-1.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/16-1-300x159.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u56fe\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u6709\u51e0\u5904\u88ab\u66ff\u6362\uff0c\u4f46\u662f\u6709\u4e00\u5904\u6ca1\u6709\u66ff\u6362\uff0c\u539f\u56e0\u662f\u56e0\u4e3a\u5728\u6267\u884c\u547d\u4ee4\u65f6\u5982\u679c\u540e\u9762\u6ca1\u6709\u52a0g\u53c2\u6570\u90a3\u4e48\u53ea\u66ff\u6362\u6bcf\u884c\u51fa\u73b0\u7684\u7b2c\u4e00\u4e2a\u5355\u8bcd\uff0c\u5982\u679c\u52a0\u4e86g\u53c2\u6570\u90a3\u4e48\u6240\u6709\u51fa\u73b0\u7684\u90fd\u4f1a\u88ab\u66ff\u6362\uff0c\u52a0g\u53c2\u6570\u518d\u6b21\u6267\u884c\u547d\u4ee4\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"595\" height=\"328\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/17-1.png\" alt=\"\" class=\"wp-image-1065\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/17-1.png 595w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/17-1-300x165.png 300w\" sizes=\"auto, (max-width: 595px) 100vw, 595px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u53ea\u6253\u5370\u66ff\u6362\u7684\u884c\uff0c\u6b64\u65f6\u9700\u8981\u4f7f\u7528-n \u4ee5\u53cap\u9009\u9879\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"597\" height=\"190\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/18-1.png\" alt=\"\" class=\"wp-image-1066\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/18-1.png 597w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/18-1-300x95.png 300w\" sizes=\"auto, (max-width: 597px) 100vw, 597px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u66ff\u6362\u547d\u4ee4\u8fd8\u53ef\u4ee5\u66ff\u6362\u7b2c\u51e0\u6b21\u51fa\u73b0\u7684\u5b57\u7b26\u4e32\uff0c\u53ea\u9700\u8981\u5728\u6700\u540e\u52a0\u4e0a\u6570\u5b57<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982: \u66ff\u6362\u7b2c\u4e8c\u6b21\u51fa\u73b0\u7684to\uff0c\u5c06\u5176\u66ff\u6362\u6210abc\uff0c\u6267\u884c\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"592\" height=\"289\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/19-1.png\" alt=\"\" class=\"wp-image-1068\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/19-1.png 592w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/19-1-300x146.png 300w\" sizes=\"auto, (max-width: 592px) 100vw, 592px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>w<\/strong>\u9009\u9879\u6bd4\u8f83\u7b80\u5355\uff0c\u53ea\u662f\u5c06\u66ff\u6362\u540e\u7684\u6587\u672c\u884c\u91cd\u65b0\u5199\u5165\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u5982\u679c\u6ca1\u6709\u6b64\u6587\u4ef6\u5c06\u65b0\u5efa\uff0c\u4f8b\u5982\u5c06\u4e0a\u56fe\u4e2d\u7b2c\u4e8c\u6b21\u51fa\u73b0\u7684to\u66ff\u6362\u6210abc\u540e\uff0c\u5199\u5165\u5230\u6587\u4ef6b.txt\u4e2d\uff0c\u6267\u884c\u547d\u4ee4<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"283\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/20-1.png\" alt=\"\" class=\"wp-image-1070\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/20-1.png 596w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/20-1-300x142.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b\u6587\u4ef6b.txt\u53ef\u4ee5\u770b\u5230\u6587\u4ef6\u4e2d\u53ea\u5305\u542b\u66ff\u6362\u7684\u884c\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"592\" height=\"181\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/21-1.png\" alt=\"\" class=\"wp-image-1071\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/21-1.png 592w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/21-1-300x92.png 300w\" sizes=\"auto, (max-width: 592px) 100vw, 592px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>sed\u547d\u4ee4<\/strong>\u53ea\u662f\u5c06\u6539\u52a8\u8f93\u51fa\u5230\u6807\u51c6\u8f93\u51fa\u4e2d\uff0c\u5e76\u672a\u4fee\u6539\u539f\u6587\u4ef6\uff0c\u5982\u679c\u8981\u4fdd\u5b58\u6539\u52a8\u540e\u7684\u6587\u4ef6\uff0c\u9700\u8981\u5c06\u7f16\u8f91\u540e\u7684\u6587\u672c\u91cd\u5b9a\u5411\u5230\u53e6\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528\u7f16\u8f91\u547d\u4ee4\u7684w\u9009\u9879\uff0c\u8fd9\u4e2a\u4e0e\u66ff\u6362\u6587\u672c\u4e2d\u7684w\u9009\u9879\u7c7b\u4f3c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u6253\u5370\u6587\u4ef6a.txt\u4e2d\u7684\u7b2c1~5\u884c\uff0c\u5e76\u91cd\u5b9a\u5411\u5230c.txt\u6587\u4ef6\u4e2d\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"596\" height=\"224\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/22.png\" alt=\"\" class=\"wp-image-1074\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/22.png 596w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/22-300x113.png 300w\" sizes=\"auto, (max-width: 596px) 100vw, 596px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770bc.txt\u6587\u4ef6\u5185\u5bb9\u663e\u793a\u7684\u521a\u597d\u662f\u524d5\u884c\u5185\u5bb9\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"593\" height=\"207\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/23-1.png\" alt=\"\" class=\"wp-image-1075\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/23-1.png 593w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/23-1-300x105.png 300w\" sizes=\"auto, (max-width: 593px) 100vw, 593px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>sed\u547d\u4ee4<\/strong>\u8fd8\u53ef\u4ee5\u5c06\u5176\u4ed6\u6587\u672c\u5185\u5bb9\u8bfb\u53d6\u8fc7\u6765\uff0c\u6dfb\u52a0\u5230\u6307\u5b9a\u6587\u672c\u4e4b\u540e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u4eceb.txt\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u6dfb\u52a0\u5230\u5339\u914dCenters\u5b57\u7b26\u4e32\u7684\u884c\u4e4b\u540e\uff0c\u5982\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"591\" height=\"215\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/24-1.png\" alt=\"\" class=\"wp-image-1077\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/24-1.png 591w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/24-1-300x109.png 300w\" sizes=\"auto, (max-width: 591px) 100vw, 591px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">sed\u547d\u4ee4\u7684q\u9009\u9879\u8868\u793a\u5b8c\u6210\u6307\u5b9a\u5339\u914d\u540e\u7acb\u5373\u9000\u51fa\uff0c\u683c\u5f0f\u4e3a\uff1a\u6307\u5b9a\u5730\u5740  q<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u8981\u6253\u5370\u524d5\u884c\u7136\u540e\u7acb\u5373\u9000\u51fa\u53ef\u4ee5\u6307\u5b9ased  &#8216;5 q&#8217;  a.txt\u5373\u53ef<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">sed\u547d\u4ee4\u7684y\u9009\u9879\u8868\u793a\u53d8\u6362\u547d\u4ee4\uff0c\u5c06\u4e00\u7cfb\u5217\u5b57\u7b26\u6362\u6210\u76f8\u5e94\u7684\u65b0\u5b57\u7b26\uff0c\u662f\u5bf9\u5b57\u7b26\u7684\u9010\u4e2a\u5904\u7406\uff0c\u683c\u5f0f\u4e3a\uff1a sed &#8216;y\/\u88ab\u53d8\u6362\u5b57\u7b26\/\u65b0\u5b57\u7b26\/&#8217;  \u6587\u4ef6<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a\u5c06Centers\u53d8\u6362\u6210abcdefg\uff0c\u6ce8\u610f\u4f4d\u6570\u8981\u4fdd\u6301\u4e00\u81f4\uff0c\u5982\u56fe:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"595\" height=\"215\" src=\"http:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/25-1.png\" alt=\"\" class=\"wp-image-1079\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/25-1.png 595w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2020\/04\/25-1-300x108.png 300w\" sizes=\"auto, (max-width: 595px) 100vw, 595px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u9644\u52a0\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1\u3001\u5173\u4e8e\u6362\u884c\u7b26\u7684\u95ee\u9898\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5728windows\u4e0b\u7f16\u8f91\u4e86shell\u811a\u672c\uff0c\u653e\u5728linux\u540e\u6267\u884c\u4f1a\u62a5\u8bed\u6cd5\u9519\u8bef\uff0c\u901a\u8fc7\u547d\u4ee4\u67e5\u770b\u5f53\u524d\u7684\u6362\u884c\u7b26\u683c\u5f0f\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"709\" height=\"138\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/7-6.png\" alt=\"\" class=\"wp-image-10760\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/7-6.png 709w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/7-6-300x58.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/7-6-600x117.png 600w\" sizes=\"auto, (max-width: 709px) 100vw, 709px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728Windows\u4e0b\u6bcf\u4e00\u884c\u7ed3\u5c3e\u662f\\n\\r\uff0c\u800cLinux\u4e0b\u5219\u662f\\n\uff0c\u6240\u4ee5\u624d\u4f1a\u6709\u591a\u51fa\u6765\u7684\\r\uff0c\u628a\u4e00\u4e2a\u6587\u4ef6\u4ece\u4e00\u79cd\u7cfb\u7edf\u79fb\u5230\u53e6\u4e00\u79cd\u7cfb\u7edf\uff0c\u5c31\u6709\u6362\u884c\u7b26\u7684\u95ee\u9898\uff0c\u4e5f\u5c31\u662f\u4e0a\u56fe\u4e2d\u7684^M\u5b57\u7b26\uff0c\u5982\u679c\u662funix\u6362\u884c\u7b26\u5c31\u53ea\u663e\u793a$\uff0c\u6ca1\u6709^M<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u51b3\u65b9\u6cd5\u4e00\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7vim\u6253\u5f00\u6587\u4ef6\uff0c\u5728\u666e\u901a\u6a21\u5f0f\u4e0b\u8f93\u5165\u5982\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>:set ff=unix  \u544a\u8bc9 vim \u7f16\u8f91\u5668\uff0c\u4f7f\u7528unix\u6362\u884c\u7b26\uff0c\u5982\u679c:set ff=dos \u8868\u793a\u4f7f\u7528windows\u6362\u884c\u7b26<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u89e3\u51b3\u65b9\u6cd5\u4e8c\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c06\u6bcf\u4e00\u884c\u7ed3\u5c3e\u7684\\r\u66ff\u6362\u4e3a\u7a7a\u884c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sed -i \u2018s\/\\r$\/\/\u2019 file.sh<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"710\" height=\"190\" src=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/8-5.png\" alt=\"\" class=\"wp-image-10762\" srcset=\"https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/8-5.png 710w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/8-5-300x80.png 300w, https:\/\/blog.ywdevops.cn\/wp-content\/uploads\/2022\/11\/8-5-600x161.png 600w\" sizes=\"auto, (max-width: 710px) 100vw, 710px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\uff0c\u6267\u884csed\u547d\u4ee4\u540e\uff0c\u811a\u672c\u4e2d\u7684\u6362\u884c\u7b26\u5df2\u7ecf\u53d8\u6210\u4e86unix\u6362\u884c\u7b26$<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sed\u662f\u4e00\u4e2a\u975e\u4ea4\u4e92\u5f0f\u7684\u6587\u4ef6\u7f16\u8f91\u5668\uff0c\u53ef\u4ee5\u5bf9\u6587\u672c\u6587\u4ef6\u548c\u6807\u51c6\u8f93\u5165\u8fdb\u884c\u7f16\u8f91\uff0c\u6807\u51c6\u8f93\u5165\u53ef\u4ee5\u6765\u81ea\u952e\u76d8\u8f93\u5165\u3001\u5b57\u7b26\u4e32\u3001\u6587\u4ef6\u91cd\u5b9a [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1050,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,29],"tags":[62],"class_list":["post-1024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-shell","category-yunwei","tag-sed"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":8}},"_links":{"self":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1024","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1024"}],"version-history":[{"count":23,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1024\/revisions"}],"predecessor-version":[{"id":18339,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/posts\/1024\/revisions\/18339"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media\/1050"}],"wp:attachment":[{"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1024"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1024"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ywdevops.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}